EP1578813B1 - Procede pour la transition d'un catalyseur a un catalyseur incompatible dans un reacteur en phase gazeuse - Google Patents
Procede pour la transition d'un catalyseur a un catalyseur incompatible dans un reacteur en phase gazeuse Download PDFInfo
- Publication number
- EP1578813B1 EP1578813B1 EP03776340A EP03776340A EP1578813B1 EP 1578813 B1 EP1578813 B1 EP 1578813B1 EP 03776340 A EP03776340 A EP 03776340A EP 03776340 A EP03776340 A EP 03776340A EP 1578813 B1 EP1578813 B1 EP 1578813B1
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- European Patent Office
- Prior art keywords
- reactor
- polymerization
- catalyst
- seedbed
- gas
- Prior art date
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- Expired - Lifetime
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- 238000010926 purge Methods 0.000 claims description 25
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1809—Controlling processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/0035—Periodical feeding or evacuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/0045—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor by means of a rotary device in the flow channel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00548—Flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00654—Controlling the process by measures relating to the particulate material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00004—Scale aspects
- B01J2219/00006—Large-scale industrial plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00245—Avoiding undesirable reactions or side-effects
- B01J2219/00272—Addition of reaction inhibitor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Polymerisation Methods In General (AREA)
- Catalysts (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Claims (9)
- Procédé pour effectuer la transition d'un premier système de catalyseur de polymérisation à un second système de catalyseur de polymérisation incompatible avec le premier système de catalyseur de polymérisation dans un réacteur à phase gazeuse, comprenant les étapes consistant à :a) conduire une première réaction de polymérisation dans le réacteur à phase gazeuse en utilisant un premier système de catalyseur de polymérisation,b) interrompre la première réaction de polymérisation,c) évacuer le contenu de ladite première réaction de polymérisation du réacteur à phase gazeuse tout en maintenant un système substantiellement clos hermétiquement (sans ouvrir ledit réacteur par mise en contact avec l'atmosphère) et/ou en appliquant une pression suffisante dans le réacteur à phase gazeuse pour empêcher l'entrée de contaminants provenant de l'atmosphère,d) dans le système substantiellement clos hermétiquement, introduire un lit d'ensemencement pratiquement dépourvu de contaminants, comprenant moins de 10 parties par million de contaminants dans le réacteur à phase gazeuse après ladite étape d'évacuation,e) introduire un second système d'alimentation dans le réacteur à phase gazeuse,f) introduire un second système de catalyseur dans le réacteur à phase gazeuse, etg) conduire une seconde réaction de polymérisation.
- Procédé suivant la revendication 1, dans lequel un produit de polymérisation est formé dans l'étape a) et ensuite un lit d'ensemencement pratiquement dépourvu de contaminants est formé en évacuant une partie du produit de la première réaction de polymérisation, en purgeant ledit produit évacué avec un gaz inerte dans un récipient et en stockant ledit produit évacué sous une atmosphère protectrice constituée d'un gaz inerte.
- Procédé suivant la revendication 2, dans lequel la purge est effectuée dans un premier récipient et le produit purgé est stocké dans un second récipient.
- Procédé suivant la revendication 1, dans lequel le lit d'ensemencement pratiquement dépourvu de contaminants est obtenu à partir d'un second réacteur de polymérisation.
- Procédé suivant l'une quelconque des revendications 1 à 4, dans lequel ledit premier système de catalyseur de polymérisation comprend un système de catalyseur de Ziegler-Natta, et ledit second système de catalyseur de polymérisation comprend un système de catalyseur à base de métallocène.
- Procédé suivant l'une quelconque des revendications 1 à 4, dans lequel ladite étape d'évacuation du contenu dudit premier système de polymérisation comprend l'évacuation d'une proportion supérieure à 95 % en volume dudit contenu par un orifice de déchargement.
- Procédé suivant l'une quelconque des revendications 1 à 4, dans lequel l'étape d'interruption de la première réaction de polymérisation comprend l'addition d'un désactivateur de catalyseur à la première réaction de polymérisation.
- Procédé suivant l'une quelconque des revendications 1 à 4, dans lequel ledit lit d'ensemencement pratiquement dépourvu de contaminants est préparé en purgeant ledit lit d'ensemencement avec un gaz inerte et de la vapeur d'eau.
- Procédé suivant l'une quelconque des revendications 1 à 4, dans lequel le réacteur est maintenu dans un système substantiellement clos hermétiquement en appliquant une pression suffisante dans le réacteur pour empêcher l'entrée de contaminants provenant de l'atmosphère.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43771502P | 2002-12-31 | 2002-12-31 | |
| US437715P | 2002-12-31 | ||
| PCT/US2003/032359 WO2004060938A1 (fr) | 2002-12-31 | 2003-10-10 | Procede pour la transition d'un catalyseur a un catalyseur incompatible dans un reacteur en phase gazeuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1578813A1 EP1578813A1 (fr) | 2005-09-28 |
| EP1578813B1 true EP1578813B1 (fr) | 2006-11-29 |
Family
ID=32713223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03776340A Expired - Lifetime EP1578813B1 (fr) | 2002-12-31 | 2003-10-10 | Procede pour la transition d'un catalyseur a un catalyseur incompatible dans un reacteur en phase gazeuse |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6838532B2 (fr) |
| EP (1) | EP1578813B1 (fr) |
| JP (1) | JP4336778B2 (fr) |
| CN (1) | CN1310966C (fr) |
| AT (1) | ATE346871T1 (fr) |
| AU (1) | AU2003284109A1 (fr) |
| BR (1) | BR0317831B1 (fr) |
| CA (1) | CA2512225A1 (fr) |
| DE (1) | DE60310134T2 (fr) |
| ES (1) | ES2276129T3 (fr) |
| WO (1) | WO2004060938A1 (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1577003A1 (fr) * | 2004-03-15 | 2005-09-21 | Borealis Technology Oy | Procédé et dispositif pour produir des polymers |
| US7466082B1 (en) | 2005-01-25 | 2008-12-16 | Streamlight, Inc. | Electronic circuit reducing and boosting voltage for controlling LED current |
| EP1767549A1 (fr) | 2005-09-20 | 2007-03-28 | Ineos Europe Limited | Catalyseurs de polymérisation |
| DE102005056775A1 (de) * | 2005-11-28 | 2007-05-31 | Basell Polyolefine Gmbh | Verfahren für den Katalysatorwechsel in einem Gasphasenwirbelschichtreaktor |
| WO2011073369A1 (fr) * | 2009-12-18 | 2011-06-23 | Total Petrochemicals Research Feluy | Procédé de remplacement de catalyseurs de polymérisation d'éthylène incompatibles |
| WO2014055497A1 (fr) | 2012-10-01 | 2014-04-10 | Univation Technologies, Llc | Systèmes et processus de stockage de résine |
| US9469755B2 (en) | 2012-12-18 | 2016-10-18 | Ineos Europe Ag | Process for transitioning |
| EP3286228B1 (fr) | 2015-04-24 | 2020-03-18 | Univation Technologies, LLC | Procédés permettant de faire fonctionner un réacteur de polymérisation |
| EP3394111B1 (fr) | 2015-12-22 | 2019-08-28 | SABIC Global Technologies B.V. | Procede de transition entre des catalyseurs incompatibles |
| CN113667041B (zh) * | 2020-05-14 | 2023-06-16 | 中国石油化工股份有限公司 | 一种聚烯烃催化剂体系切换的处理方法 |
| CN114426590A (zh) * | 2020-09-28 | 2022-05-03 | 中国石油化工股份有限公司 | 一种茂金属催化剂与Ziegler-Natta催化剂的在线切换方法 |
| CN117567676B (zh) * | 2024-01-16 | 2024-04-16 | 新疆独山子石油化工有限公司 | 一种钛系聚乙烯转产茂金属聚乙烯的生产方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243619A (en) * | 1978-03-31 | 1981-01-06 | Union Carbide Corporation | Process for making film from low density ethylene hydrocarbon copolymer |
| US4588790A (en) * | 1982-03-24 | 1986-05-13 | Union Carbide Corporation | Method for fluidized bed polymerization |
| US4543399A (en) * | 1982-03-24 | 1985-09-24 | Union Carbide Corporation | Fluidized bed reaction systems |
| US5352749A (en) * | 1992-03-19 | 1994-10-04 | Exxon Chemical Patents, Inc. | Process for polymerizing monomers in fluidized beds |
| US5436304A (en) * | 1992-03-19 | 1995-07-25 | Exxon Chemical Patents Inc. | Process for polymerizing monomers in fluidized beds |
| AU682821B2 (en) * | 1993-04-26 | 1997-10-23 | Exxon Chemical Patents Inc. | Process for polymerizing monomers in fluidized beds |
| US5462999A (en) * | 1993-04-26 | 1995-10-31 | Exxon Chemical Patents Inc. | Process for polymerizing monomers in fluidized beds |
| US5442019A (en) * | 1994-03-25 | 1995-08-15 | Exxon Chemical Company | Process for transitioning between incompatible polymerization catalysts |
| US5672666A (en) * | 1995-06-05 | 1997-09-30 | Exxon Chemical Patents Inc. | Process for transitioning between incompatible polymerization catalysts |
| NO301331B1 (no) | 1996-03-05 | 1997-10-13 | Borealis As | Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner |
| US6218484B1 (en) * | 1999-01-29 | 2001-04-17 | Union Carbide Chemicals & Plastics Technology Corporation | Fluidized bed reactor and polymerization process |
| WO2000058377A1 (fr) * | 1999-03-31 | 2000-10-05 | Chevron Phillips Chemical Company Lp | Processus de transition entre des catalyseurs de polymerisation incompatibles |
| KR20010051260A (ko) * | 1999-11-12 | 2001-06-25 | 조셉 에스. 바이크 | 점착성 중합체의 제조를 위한 전이 방법 |
-
2003
- 2003-10-10 BR BRPI0317831-5B1A patent/BR0317831B1/pt not_active IP Right Cessation
- 2003-10-10 CA CA002512225A patent/CA2512225A1/fr not_active Abandoned
- 2003-10-10 ES ES03776340T patent/ES2276129T3/es not_active Expired - Lifetime
- 2003-10-10 WO PCT/US2003/032359 patent/WO2004060938A1/fr active IP Right Grant
- 2003-10-10 JP JP2004564781A patent/JP4336778B2/ja not_active Expired - Fee Related
- 2003-10-10 AU AU2003284109A patent/AU2003284109A1/en not_active Abandoned
- 2003-10-10 AT AT03776340T patent/ATE346871T1/de not_active IP Right Cessation
- 2003-10-10 EP EP03776340A patent/EP1578813B1/fr not_active Expired - Lifetime
- 2003-10-10 US US10/683,711 patent/US6838532B2/en not_active Expired - Lifetime
- 2003-10-10 CN CNB2003801079824A patent/CN1310966C/zh not_active Expired - Fee Related
- 2003-10-10 DE DE60310134T patent/DE60310134T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR0317831A (pt) | 2005-11-29 |
| EP1578813A1 (fr) | 2005-09-28 |
| CN1732190A (zh) | 2006-02-08 |
| JP2006512439A (ja) | 2006-04-13 |
| JP4336778B2 (ja) | 2009-09-30 |
| CA2512225A1 (fr) | 2004-07-22 |
| DE60310134D1 (de) | 2007-01-11 |
| AU2003284109A1 (en) | 2004-07-29 |
| DE60310134T2 (de) | 2007-09-27 |
| ATE346871T1 (de) | 2006-12-15 |
| BR0317831B1 (pt) | 2013-07-02 |
| WO2004060938A1 (fr) | 2004-07-22 |
| US6838532B2 (en) | 2005-01-04 |
| CN1310966C (zh) | 2007-04-18 |
| ES2276129T3 (es) | 2007-06-16 |
| US20040127655A1 (en) | 2004-07-01 |
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